From: Elliot Berman quic_eberman@quicinc.com
[ Upstream commit 418146e39891ef1fb2284dee4cabbfe616cd21cf ]
Clean saved_state after using it during thaw. Cleaning the saved_state allows us to avoid some unnecessary branches in ttwu_state_match.
Signed-off-by: Elliot Berman quic_eberman@quicinc.com Signed-off-by: Peter Zijlstra (Intel) peterz@infradead.org Link: https://lore.kernel.org/r/20231120-freezer-state-multiple-thaws-v1-2-f2e1dd7... Signed-off-by: Chen Ridong chenridong@huawei.com --- kernel/freezer.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/freezer.c b/kernel/freezer.c index 759006a9a910..f57aaf96b829 100644 --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -187,6 +187,7 @@ static int __restore_freezer_state(struct task_struct *p, void *arg)
if (state != TASK_RUNNING) { WRITE_ONCE(p->__state, state); + p->saved_state = TASK_RUNNING; return 1; }